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Measurement and Instrumentation

Measurement and Instrumentation
Standard resistor ia made from

Nichrome
Silver
Manganin
Platinum

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Measurement and Instrumentation
A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is

 4.8 μH/radian.
 12.0 μH/radian.
 2.0 μH/radian.
 114.6 μH/radian.

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Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

 0.1001 Ω.
 0.001 Ω.
 100 Ω.
 1000 Ω.

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Measurement and Instrumentation
A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be

 0.67 A.
 0.70 A.
 0.50 A.
 0.25 A.

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Any of the listed here
Wein bridge
Schering bridge
Modified De santy's bridge

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Measurement and Instrumentation
The Metric System is also called as:

 SI
None of these
 CGS
 MKS system

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